: Data-Field 21014

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Data

96,813 bulk items are available, covering 92,550 participants.
Defined-instances run from 0 to 3, labelled using Instancing 2.
Array indices run from 0 to 1.

The values held within this field are coded links to files held within a bulk repository, not the actual data itself.

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
68,083 participants, 68,767 items
Data not meaningful for statistical summary

Instance 1 : First repeat assessment visit (2012-13)
19,487 participants, 19,540 items
Data not meaningful for statistical summary

Instance 2 : Imaging visit (2014+)
2,792 participants, 2,810 items
Data not meaningful for statistical summary

Instance 3 : First repeat imaging visit (2019+)
5,661 participants, 5,696 items
Data not meaningful for statistical summary

Notes

The fds file contains the raw fundus image and 3D OCT scan data for the right eye. File size is typically 97 MB.

2 Related Data-Fields

Field ID	Description	Relationship
21013	FDA data file (right)	Field 21013 contains the processed data derived from Current Field
21012	FDS data file (left)	Field 21012 is the opposite-side complement to Current Field

6 Resources

Preview	Name	Res ID
	Example FDS file	30
	OCT measurement	100113
	OCT measurement station	100132
	OCT scan in progress	100114
	OCT scan view	100115
	Optical-coherence tomography procedures using ACE	100237

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